Popularity in Ireland
Numbers
| Fiona (feminine) | |||
| Year | Rank | Times Used | |
| 2023 | - | - | |
| 2022 | - | - | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | - | - | |
| 2018 | - | - | |
| 2017 | - | - | |
| 2016 | - | - | |
| 2015 | - | - | |
| 2014 | - | - | |
| 2013 | - | - | |
| 2012 | - | - | |
| 2011 | - | - | |
| 2010 | - | - | |
| 2009 | - | - | |
| 2008 | - | - | |
| 2007 | - | - | |
| 2006 | - | - | |
| 2005 | - | - | |
| 2004 | #83 | 66 | |
| 2003 | #80 | 62 | |
| 2002 | #63 | 82 | |
| 2001 | #74 | 72 | |
| 2000 | #69 | 71 | |
| 1999 | #56 | 83 | |
| 1998 | #51 | 78 | |
| 1997 | #50 | 121 | |
| 1996 | #47 | 122 | |
| 1995 | #36 | 153 | |
| 1994 | #34 | 170 | |
| 1993 | #24 | 224 | |
| 1992 | #23 | 229 | |
| 1991 | #20 | 255 | |
| 1990 | #20 | 247 | |
| 1989 | #18 | 303 | |
| 1988 | #20 | 289 | |
| 1987 | #19 | 334 | |
| 1986 | #22 | 309 | |
| 1985 | #19 | 341 | |
| 1984 | #17 | 370 | |
| 1983 | #18 | 406 | |
| 1982 | #17 | 447 | |
| 1981 | #18 | 442 | |
| 1980 | #13 | 499 | |
| 1979 | #12 | 469 | |
| 1978 | #7 | 507 | |
| 1977 | #9 | 460 | |
| 1976 | #10 | 452 | |
| 1975 | #12 | 451 | |
| 1974 | #11 | 464 | |
| 1973 | #6 | 563 | |
| 1972 | #4 | 657 | |
| 1971 | #4 | 616 | |
| 1970 | #8 | 519 | |
| 1969 | #10 | 454 | |
| 1968 | #17 | 357 | |
| 1967 | #14 | 371 | |
| 1966 | #24 | 287 | |
| 1965 | #27 | 290 | |
| 1964 | #32 | 249 | |
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